Bounding box regression(回归)
参考资料:
http://blog.youkuaiyun.com/u012905422/article/details/52685076 matlab中的IoU计算函数
http://blog.youkuaiyun.com/u011534057/article/details/51235964 Bounding box regression详解
http://blog.youkuaiyun.com/zhang_shuai12/article/details/52716952 物体检测中常用的几个概念迁移学习、IOU、NMS理解